" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=√4²+12²
=√16+144
s=√160=12,6cm
L. permukaan kerucut=Πr(s+r)
=3,14×4(12,6+4)
=12,56×16,6
=208,496cm²